Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual time da casa teve um time visitante do Aston Villa?
 ###Tabelas: CREATE TABLE average_polling (average_polling_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Result, Parliam. election 2005 VARCHAR, Result, County elections 2007 VARCHAR, Aug 2008 VARCHAR, Sep 2008 VARCHAR, Oct 2008 VARCHAR, Nov 2008 VARCHAR, Dec 2008 VARCHAR, Jan 2009 VARCHAR, Feb 2009 VARCHAR, Mar 2009 VARCHAR, Apr 2009 VARCHAR, May 2009 VARCHAR, Jun 2009 VARCHAR, Jul 2009 VARCHAR, Aug 2009 VARCHAR) CREATE TABLE fourth_round_proper (fourth_round_proper_id AUTO_INCREMENT PRIMARY KEY, Tie no VARCHAR, Home team VARCHAR, Score VARCHAR, Away team VARCHAR, Date VARCHAR) CREATE TABLE approved_and_proposed (approved_and_proposed_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Building VARCHAR, City VARCHAR, Height (m/ft) VARCHAR, Floors INT, Status VARCHAR) CREATE TABLE root_server_addresses (root_server_addresses_id AUTO_INCREMENT PRIMARY KEY, Letter VARCHAR, IPv6 address VARCHAR, AS-number VARCHAR, Operator VARCHAR, Location #sites (global/local) VARCHAR, Software VARCHAR) CREATE TABLE canadian_national_championships_and_canadian_open_together (canadian_national_championships_and_canadian_open_together_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's singles VARCHAR, Women's singles VARCHAR, Men's doubles VARCHAR, Women's doubles VARCHAR, Mixed doubles VARCHAR)  
SELECT Home team FROM fourth_round_proper WHERE Away team = aston villa